Window-operating device.



A. K. TERNSTEDL WINDOW OPERATING DEVICE.

- APPLICAIION FILED DEC.19. 1911.

WITNESSES I 6 6 Patented Nov. 28, 1916.

5 SHEETSSHEET i.

INVENTOR Alvarlffmstedt.

A. K. TERNSTEDT.

WINDOW OPERATING DEVICE; APPLICATION FILED DEC. 19. 1911. I 1,206,052. PatentedNov. 28,1916.

5 SHEETSr-SHEET 2.

. j X II/II; 'IIII/IIIIIIIIUIIIIII/IIIIIJ A 4 WITNESSES: INVENTOR Z jllvdrK Jkrnstcdt A. K. TERNSTEDT WINDOW OPERATING DEVICE.-

APPLICATION FILED 05019. 1911 Patented Nov. 28, 1916.

Riga? I N l/E N TOR Alvarlfi fkmstadzf WITNESSES: 6 2? @MW 2% 7 A. KJTEHNSTEDT,

WINDOW OPERATING DEVICE APFLlC/FiQN FILED DEC. 19, 191i. 1,206fl52 v htnted Nov. 28, 19M}.

5 SHEiiTSrSHEET 5.

WITNESSES: INVENTOR V ilwzr flkrnstedt 69% By tion of aearriage door and window having thereto, parts being broken away.

raising and lowering mechanism constructed in accordance with this invention a plied *ig. 2 is a vertical oross-seotionofthe some taken on -the irregular line 2, 2 Fig. 1. Fig. 3

is-an enlarged elevation of the exterior of the driving sprocket and clutch. Fig. 4: is a transverse section taken on the line 4; t Fig. 3 and illustrates the preferred form of operatinghandle- Fig. is a sect-ion taken on the line 5, 5 Fig. 4; and shows the auto matic lock and driving mcchanisin for-the driving sprocket in elevation. Fig. (5 1st. .vicw of the same-mechanism as shown 111.

Fig. 5, the lock being shown in inoperhtive position and the driving power coupled to the sprocket. Fig. 7 is an enlarged rear el evation o'f the complete lay-which the window is raised and lowered and moved transversely to its plane. Fig. 8 'LS'fl generally horizontal section taken on the irregular .lin'e' 8,'-8 Fig. Figs. 9 and 10 are front unds'ide'elevations respectively of he com- I window and "which also forms the. driving I '30 view. ofjthe spring which co eots' with the bincdlocking pawl anddrivcri member of the clutch which couples the driving power to the sprocket. Figcl'l is a front elevation of the actuating device for unlocking the member of-the clutch. Fig. 12 lS'EL detached locking plate shown in Fig. 9 and normally teiids tolreep the smile in locked position.

Fig..l3 is a partial side elevation {and sectier: of the fixed lock inelnheror plate with which'the locking pawl-shocni in Fig. 9 col-acts tomziintehr the window in position. Fig. let is an enlarged View of a. portion of the driving chain having the automatic. slack'take-up appliedv thereto. Fig. 15 is -11 detached front elevation of the frame- A work upon which the driving mechanism is mounted. F1 16 1s a side elevation of'the' same'. -Fig. 1 'is an' enlarged front-elcva ather-mu teeny. desired form s'triictiom; The window 2 etwhenfiini-closed position 'by mechanism to hepresently described.

' any desired construction,

.tionof one of the'clmin sprockets andshows in dotted lines the ring which counter:

acts the weight of the window and assists in raising the seine. Fig. 18 is a central transverse section through tlief sprocket shown in Fig.17. Referring particularly to Figs. 1" and; 2 of-the drawings, 1 indicates thefskeleton framework of an automobile door of stzjndand construction in which: the window sash 2 is slidziblym'ounted I 1 3 dice-tee the window sill and d the and con-- slides up and down inglrldes in 'thesides of the door 1 is. lisualend is lifted over theweathenrail 5., indicates the drir'ingjchain or belt- 0f I r the traveling of ivhrchcauses thewlnd'ow to bereised' or 1 nary linkihj th per.

. p o d .a" I ing er-r11. ther f d are larger-1Q lowered according to the-direction-of traivcl ofthe chain 5. I The'chein passes over sprockets 6 and 7 of vvhich'thesprocket (i is the driving sprocket. -The..sp1'ocket 6 is suitably mounted one metal plqte fisecu'red to the framework of me ded-#1 while the sprocket TIis carried b'yflai plate or crossarm 9 secured. to the lower partbf' the door 1, the plates 8 end- B-being spiced ape'rtby a spacing her 10 edjustablo-asj 'ia't 11 to very the distance. between the: two sprockets to formed into or provided with'ije cem portion 9 13- as indicated .infiFigQ .8" which "projects forward 'fronr'the' planeof t1 late 12 as H. \Vl10li The lower z 'r oi It 1ete 12 is provided .with a, referably picrcingg tlie g mate This slot follows the1c each end'ofi the V preferablyhotizontell'forgzi intermediate its Q ends al lid 1 pl v end-ierminetingin- 'etin plene of'the100 .plate 12 dropssherplys i1idi- 1 1 cated at 15. The other endfo ()tpref erably also drops; dOwri -1bii ore}. radiially, and terminates ZLstinj ebiIgatej sub 1 stantially straight portion-16.", The face cen1'13 follows thecuririrture f tlie} =-ca-xriblock l'ffis snhst'i links of the chitin? ally connected toflth operating iirgthe's ing over.- the procket 1 pin le P1 rcv P5 a spring BZcO'InpI-es and colhirj21 T d beti the slot. lfi.-s o .th'at"thcplete 12 held between Qthill, the-p lower being-Ih ee to' .rojtii It willthus bes ccn that the associated parts of the pin 18, to wit: the enlarged head 19 andth e collar 21, engagethe opposed surfaces of the depending plate 12 whereby the plate and; consequently the Window is securely held; to the pin and. any-loose play or-rattling is avoided. I 1

As the chain 5 travels dueto rotation of the sprocket 6 by mechanism to he presently described, the cam follower 18' travels inthe slot 14: and when it-comes to the-cam surface 13 rides thereon and causes the plate 12 to he moved transversely in one direction or the other according'tc the direction of travel the chain 5 end sprocket 6 being mounted permanently in the one plane. The plate being held positively on opposite faces by the collar 2-1 and heed 19 Will be'po'sitively forced in both directions as the follower cc travels in the slot 14 and rides up on or descends from the face cam 13. The loosely mounted spring pressed collar 21 permits the playnecessery when the follower engages the mirves of the cam 13 and yet maintains and insures a positive forcing of the plate in either trensrersedirection. The edges of the head 19 and collar 21 are rounded as shown to. prevent 1-eny catching ofsharp eclg'cs and reduceirictionj 3i iTwoof the chain links loceted...at any .{I desired distonce fap'art are provided with hooks 23 and. 24: (see-Fig l4 A helical nsion spring 25 .is secured" at each endtoe hooks and QL so that sny-sliick-in e chain is taken up by the spring 25,,the' s between the hooks 23 and 24-: merely lz'eptta'lut. to insure that: J fand strike-egeinst' tlre sid'esfof the and produce an obj cctioriable rattle? myljirnanner interfere with the chain properly-over the teeth of e 7 By 1- this. 1 construotio I .th; "t, sin taut at, 11

keyi g times 5 P liculdtheichain ms; 25 will i nnq edi no li h sin b! d ng spindle klin'g: slightly, and-the -chain i's' atfisll jwork in slots 38 l be obvious. that the spring ta ke-up'will hent g tcningderihesis "sqi z' rehole e2 which fits tightly over" a: sqnered 'ipcrtion 43 of the spindle-326. -The and 4.7; two diametrically opposedfones' .ofwhich', for. instance 45 and'l', engai'ge 1 tli e 8 and is provided with anope'reting handle 7 -27of any desired form orcharacter. The

sprocket 6 may be of any desired construe-j tion and ispreferably made of sheet metalin two halves secured together with a hollow hub within which the driving clutch and locking" device are located. The hub portion of one of the sprocket halves is cut away for purposes to bcpresently describedand the opening is'closed by the plate 8 .'so

dirt and-damage. To eliminate frictionthe the hubio'l" the sprocket and. between it and a flange 29rising from an annular plate or 75 that the clutch and locking device located withinflthe sprocket hub are protected from flat ring iiO rigidly fastened to the plate 8' 30 is provided with a plurality, of alter-- nately arranged and evenly spaced teeth 31- and notches 32. The annular plate 30 with in the-opening in the sprocket huh heretofore referred to. The inner edge-of the ring its teeth and notches constitutes the fixed locking member. 33 indicates s with the sprocketfi and which enters theloclring pan l which travels notches 39, of the fixed plateBO whenitis desired to lock the sprocket 6 and therefore thervvindow. The paw-1 33 is securedto and car m'ed by a plate or dislrSel forming the Thesclutch membe'rj34 is provided with a centrally disdriven member of the clutch.

posed slot 35 (see Fig. 9) through'which the vided with a pair of diametrically sprocket 6 (see Fig-re).- The cliitch meni;

piiisfifisnd and located alternately with the pins 36' and .37..

26 loosely passes and isalso-pro disposed reerwardly extending pins'BG and 37 which formed in the ihub of the} The iilriving. 0 h l era'bly'in the form of .a. plate 41 super posed on the clutch memheranclkeyed tothe spindle 26' in any'suitable manner such thaton rotation ofthespindle 26 the plate 41 wi.ll'. also be rotetedQ- A "simple and. the-"- preferable nianner of keyingjtl'ie member 41' to the spindle is by proyiding ita'w'itlia plate ills providedyrithfour-'cams; 44 il-,

pins 39"and 40 0f the driven 'clutchinember d" in the reverse ,direction;i W l1en earns engage he i airs o However, before the sprocket 6 can be rotatecl the locking pawl 33, which normally rests in n. notch 32 of the fixed locking plate 30, must be withdrawn from its notch, The drivenelutch 1nemher 34 is capable of bodily movement radially owing to the slot 35'a'nd when'the 'cams of the plate 4C1 en gage the pins 39 and 40 the first action is to 'cuusethe plate 34: to move radially until the spindle 26' reaches the opposite end of the slot 35, the pins 36 and 37, also traveling in the slots 38, at which time the pawl 33 has been Withdrawn from a notch 82 and the sprocket is free to be rotated. 43 indicatesatension spring Wound'a few. turns arouncl the spindle 26 and having its ends applied to.

the pins 39 and 40 of the plate 34 in suchmanner that normally the pawl '33 is pressed up into a notch32. The first action of the plate-4-1 in rotating is to Withdraw-the pawl 33 against the action of the spring 48; the spring ren eining ineifeot-ive so long as the plate 41 is rotated. As soon as the rotation, ceases and the plate 41 is re1ease(l"(by releasing the operating handle 27 the spring 48 will immediately cause the pawl 33 to spring into one of the notches 32 and lock the sprocket to the fixed 1ook-plate 30 and prevent further rotation of .the sprocket. Should the sprocket come to rest/when the pawl 33 is opposite a tooth 31, the Window"? I will drop a trifle and. thus rotate; the

' the spindle.

' sprocket :i'nd pawl. until the pa vl reaches' the next notch I l The parts of the clutohand niomhle lookin ".devico'arej securel' held in place on the spmclle 26 between shoulder 49 formed thereon and a-"fmt 59 appliedto the end of To oonnteroct the: fveight of the Window and to'assist in raising it so that excessive power "will not need to be applied to the handle 97: to-efl'e'ct the raising acoil spring 51, 'loo ate cl'in thesoocket whee1"l', is profreely on abalhrace 52- interposed between videdl The sprocket 7 is mounted" to rotate it and thesproclcet' hub 53 mounted on the arm or plate 10. The'inner end 5401" the springhl is fixed. to thestationary plate or arm IO-While the outer entl- 55 is fixed to the sprocket wheel; When the .window "is lowered, the sprocket wheel? is rotated'ond ener tated in the reverw direction and the spring .filhunwinding assists in the raising of the Window; The tension of the spring 51 is not sufiiciont to raise the window by itself but is merely used to awist-inthehperation by-oalonoing the-weight, 4

The operation of he jclevioe is as follows,

. assuming the windowto be closed over the 'weotlier-mil-hndthe' cam follower in the osition shownv in Fig. 7, the clutch and wir ng pawl bcingIin the positions. shown is storeclin thespring 51. When the- 5 Wm ow is raised the sprocket {I ismro' in Fig. The handle 27. :is turnedfin =1 clockwise direction, the first act resulting therefrom beingto withdraw the pawl 33 from' the notch 32 of the fixedlock-plete 30 v versely over the weather r'eil and directly in line .with the space injthe lower pm of the Continued rotation of the sprocket door.

: causes the cam followerfto;trevelzjdoimi vhrfl with thcchain 5 endlovterslthe window due to pullin the ca'm-fpleteldown.' iSlmuld itbe "desire to but phitlvlower the'wifidow,

the handle 27 Iislreleasecl iwbenthe' window has been droppedihei desired amount anti 4 thekpnvfl 33qfimrnedilitelyh rings into 'a' notch 32 dime-- stationeryfloo 1 30 .fand

any. further movement ispr"eventedf If it is," desired" frolower the Iwindowfstm farther the handlet islncr'ely; turned olook riso endthe some action of outomzitic'ally -unlookin'g and establishing the driving coi'1ple"'-isf 're- 'pe'ilted.

When 4 7 any amount or to close-it entirely the handle it? is, desiretl iuise i-the .aiind ow 27 is rotgt'edcoontet clock-wise. 'andi'tli same actions'nro repealed." -.When1the wmdow reaches its uppermost position further rotation of the handle "causes the jcafn" fol-v tion forces the window} .o'ver the, weather rail, the lost action clxieftof'the' iinal rotation hein that theoamfollower drops down in the epression lfi in'fthe slot-143 ind tho prin- (low, sash jspres9ed'forcihly down-on topot the window .v'sill oo'tsidejof the weather rail. 7

By providing thei-dropji'lli' in the. slot '14 afireat afivantag: isPgsmd in that the; 0w Sash on; iiq b r'PM d nQntO the-sill and} tightolosiir ymodogiklso'the tension inA-th'efsp glil-"krvelito p Wind dvin qt J If ftho' j vin d 'owflinly v pressed sg'sinst the wuflm; ml mo'y'in 1t transveraelyfto itspionennd jnot'fo" "entirely over the rail.

1fieations'"-'andPequivalentsj may-i be emhes s-meson is not limited t0 t e 1 details of construction. wn ma i esh' being r thez purposes of ilhistrgtion only," but; varioo's mo ployed without departing imm'thespiritof the invention; as set -fu th in. the gn 1,. In a window operating device, the com-'- bination of a cam mechmiisa n'foi: moving the fwlndow -1n both dnectwns transverse to its plane, sludmecha-nisn .eoinprising two" 10- cam surfaoes and means including a pin 1 adaptedto engage both said surfaces when movin the Window in either'directioni 2. In a window operating devise, the com- "bixietion of a cam inechmiism'for moving thle Window. both back flHd"" IEC iIth a'orossz'thef .weather rail, said mechanismeomp'risin g op osed cam surfaces and. an ,ect 1;!ating,., p1n, v videdv with means-engaging both. said} ing; movementof the combination of a chain drive, a. sjp1ocket',-e

opposed surfaces Window in either direction] In a wlndow operatmg d'evioe, the @0111? bination of raising and lowering means and cam meohanismedaptedto positively move the window in both directions transverse to. its lane and actuated hjr-saidmeens; said mec anismcomprising a .'=cem"snri' aee"for forcing the, window in one direction-trans verse to it's plane'anda; second cam 'spifeoe' for'foroing the windowin the opposlte di-v reotion, and means including a) pin adapted to engage both said surfaces duringJth'e' movement of the window in both directions.

4. In a window operating device, the: com-..

bination of gem Ineohenisn tor nioving 'the "wmdow positively 111 both, directions trans verse to-its plane and comprising-la, plate de-' pending from the windowend a-n-,,aotuat1 ng.

pin having means. positively engaging oppositesui'faoes of-said plate whenniovlnglthe "40 window in either-direction.

- 5. In a wmdow operatingFd' vide, the; coin-:

hination of raising and loweri g'nieans-aud cam meohamsm, for *m'ov ngg; the WlIlClOW.

Positively both $1 9 .fa'oross. tli

weather'mil said mechanism eoniprising' s. ding from the window,; ;a'-p1 n platedepen 4 i v havingpmeans positively; engaging opposite surfaces of said late when moving. the win-p dew in either ireotion and camsurfaces 5'0 brought into. operation by said means and ,adeptedato positivelyioree the .window'g' n 1'6. In -'a windowoperating es e m, the combination with the weather rm1,;of-ia' 66 chain drive, a. cam-plate seoui ed'to-the' window- 'azcem' follower carried} by the chamdrive end adapted toco'o'perete. with said cemplateto raise and lower the window and 'force it over; the weather rail; and a spring fof maintaining thezreletion between the .cam-platehand cam. follower;

7. Ina. wi' (low. operating device theoom bination' of Ia chain drive, a 'cam-piete'secured to the window, ghamf follower forms 15 ing a ofsaid drive end-having. a head said plate in said drive,

vthe1c-e for, e'spliidle for rotatingsei'd sprocket,

. the

ried by said olut'ohiniemher, e fixed looking.

e'en' s'eid spimlie'and- .said"spro 'et.;

engaging a, slirface of said plate, a collat loose on said. follower and edapted to em gage the opposite surface .of said plate'and means, adapted to'keep said collar against 8. A window operatingdevice eomprising a tern-plate adapted by the conformation of. its surfaces toiforce the window both over the weather railendbeck, said cam-- plate being also provided with a; down- .wardlv disposed s lottonpress the window f'ontothesill.

9. In a window operating device, the (mm bination of a chain drive, a plate securedjto the window,- epin-siegured to the chain and g i hespi ing conneotedfet eaeh end to e linkjof the chamto' automatically take up the sleek- --1'(). In a window opera 'tingleplieretns, the

clutch member having a, driving-Connection with-said sprocket, aspin'die, a pawl ior 11; In awindow operating 'apparatns,the

combination offa chain. drive, a sprocket,

5 fa olutoh member having a permanent driv- I ing eon ection with said sproeke't a. locln'n pawlfearried by? said olutoli member, a. fixe ci neinherghaving' e fi'xed eonneotion'with mid spindle ncl means adaptedtoiwithdrew said} pawl rediaily into unlocked 'position' and niestehlish a driving couple between said spin'c'l rend said sprocket. I

In a, window operating device, the COIi'ibillEitiOQDf aehein drive,-e; sprooketga spindlefe clutch I'nemher loose Ion said spind'le "endhavin e permanent drivingeonneo tion 'withjlsei 'sproeket, a. lookingjpajwl oer.-

pl'ate or said pawl, a'seoond clutch plate for .seid pew a olntoh membeigfixed' omsaidjspindle and means aldeptedto;with drew said pawl radially, into uniooked p'osi t' n and then establish a driving: ouplehee ew'ind'ow operating eppamtusfthe' 1 'oo JlliiiltlQIl of a'oham dr1ve-, asprooltet a spindle, clutch member loose on serclspmfidlej'a'nd' ,ligwing-v a driving eonnection with said sprocket, a rotary pawl for-iockingseid.

12o spindle, means operated by said spindle for moving said paw-l. radially to unlock said spi oeket', .Sitifl means-being adapted oncoh:

tinned rotation of said spindie' to drive said sprocket; ;1

14., Ina window operating apparatus the combination of; chain drive, a. sprooket,- a

'spindle, 1a clutch member loose on said spindle, apm and slot connection between said member and. said s'pl ocket,'coupling .pins se- '1.3o; j

cured to said member, a locking pawl radinlly movable into inoperzttiye position, a.

i-lutvh member fixed to said spindle 'and'cams carried by said fixed clutch member and adapted to engage said coupling pins and to first render said locking peril inoperative and then establish a driving connection between said spindle and said sprocket.

15L In :1 window operating device, the

emnhination of a chain drive, a sprocket, n'

spindle, on operating handlefor said spin die, a clutch member loose on said spindle and having a driving connection with said sprocket clutch pins secured to said memher, a stationary annular plate having a pin.- rnlity' of teeth, a locking pawl carried by said member and adapted to engage said teeth to lock said sprocket, a fixed clutch member on said spindle provided with cams for engaging said clutch pins and actuatin' the sp'rocket means whereby said 1% first radially withdraw siid pawl from ssi'id teeth to unlock said'sproeket and then estab lish a driving connection between said hon die and said sprocket and means for automatieally resetting said awl radially into locking position after said handle has been released; i

Signed at New York in the county .of

New York and Steteof flew York, this 14th 30 any of December, A. D. 1911.

ALVAR K. TERNSTEDT,

Witnesses:

B. .TOWNSBND, M. A; Pon'rm.

cams W1 

